Last Updated on August 28, 2020 by admin

The canonical, company behind the Ubuntu publishes a new Linux kernel security update for Ubuntu 16.04 LTS running the Linux Kernel 4.4 kernel. This security update is basically for the two security issues, CVE-2020-12771 and CVE-2020-15393.

What are CVE-2020-12771 and CVE-2020-15393?

CVE-2020-12771: Bcache subsystem in the Linux kernel did not properly release a lock in some error conditions which might create a chance where a local attacker starts a denial of service attack.

CVE-2020-15393: USB testing driver in the Linux kernel is not properly deallocating memory on disconnect events. A physically proximate
attacker could use this to cause a denial of service (memory exhaustion).

New Kernel Security Update For Ubuntu 16.04 LTS With Linux Kernel 4.4 Is Out Now

You need to update your system to the following package versions:

Ubuntu 16.04
Ubuntu 14.04

Reboot your computer to make all the necessary changes.

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